OnlyOffice Spreadsheet

OnlyOffice Spreadsheet is part of a comprehensive open-source office suite that emphasizes real-time collaboration and Microsoft Office compatibility. The spreadsheet editor supports simultaneous editing by multiple users, with changes reflected instantly across all participants’ screens. It maintains excellent compatibility with Excel file formats while offering modern collaboration features like comments, track changes, and version history. The platform can be deployed either as a cloud service or self-hosted solution, providing flexibility for organizations with specific security or privacy requirements. Its familiar interface makes transitioning from Excel straightforward for most users.